CN107521550A - Steering gear - Google Patents
Steering gear Download PDFInfo
- Publication number
- CN107521550A CN107521550A CN201710464066.XA CN201710464066A CN107521550A CN 107521550 A CN107521550 A CN 107521550A CN 201710464066 A CN201710464066 A CN 201710464066A CN 107521550 A CN107521550 A CN 107521550A
- Authority
- CN
- China
- Prior art keywords
- foregoing
- suspension
- limiting part
- column
- stop component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/195—Yieldable supports for the steering column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/184—Mechanisms for locking columns at selected positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/185—Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention possesses column jecket（4）, suspension（5）, column jacket（1）, mounting bracket（2）, fastener（3）, stop component（6）, flexible limiting part（7）, foregoing column jacket（1）Column jecket is clasped in a manner of it can move in the longitudinal direction, foregoing mounting bracket（2）By column jacket（1）Clamping, aforementioned fasteners（3）With bolt axle（31）With operation bar portion（32）, and it is inserted through suspension（5）Elongated hole（53）, and carry out column jacket（1）And mounting bracket（2）Locking and latch-release, foregoing stop component（6）It is arranged at bolt axle（31）, with bolt axle（31）Rotation together swing, foregoing flexible limiting part（7）With column jecket（4）Together move in the longitudinal direction.It is configured to, stop component（6）Can be with flexible limiting part under test section of the latch-release state（7）Abut, in the locked state can not be with flexible limiting part（7）Abut.
Description
Technical field
The present invention relates to steering gear, foregoing steering gear possesses the mechanism of the flexible adjusting range of limitation, and secondary
In impact absorbing action during collision, the independent action not influenceed by foregoing telescoping mechanism can be carried out.
Background technology
In the past, the device for impact absorbing for protecting driver when possessing telescopic regulating mechanism with secondary collision occurs be present
Various devices.Exemplified by patent document 1 being lifted as the prior art for being related to such steering gear.To patent document 1, (Japan is special
Open 2005-1517 publications) brief description.In addition, for the explanation Qu Do with the present invention, it is right in the explanation of patent document 1
Reference marks bracket.
In the steering gear of patent document 1, one end of linkage component (33) is installed in operation bar portion (20), link rod part
The other end of part (33) is installed in the lower end of limiting part (34), and foregoing limiting part (34) is pivoted installs freely
In the lower surface of the cylindrical portion (21a) of outer sleeve (21).
The limiting unit (34a) of the upper end of limiting part (34) is formed on via the bottom for being formed on cylindrical portion (21a)
Opening (21g), can enter in cylindrical portion (21a).And then on the top of column jecket (11) formed with elongated hole (11f), at this
In elongated hole (11f), installed by being threadably engaged with a manner of the end of the bolt 35 on the top of outer sleeve (21) protrudes.
In this condition, the limiting part (34) by linkage component (33) stretching tilts, the limiting unit of its upper end（34a）Quilt
Pull out (avoided from restriction site) outside to the opening (21g) of outer sleeve (21), (ratio is outer to the position not abutted with column jecket (11)
The inner peripheral surface of sleeve (21) is by the outside of radial direction) it is mobile.Therefore, in the collision of vehicle, even in generation driver and nothing
Diagram steering wheel collision secondary collision in the case of, column jecket (11) also can not with limiting part (34) making contact
In the case of move (conquassation).
And then the limiting part (34) pushed by linkage component (33) is uprightly, the limiting part (34) of its upper end is from overcoat
The opening (21g) of cylinder (21) is prominent (i.e. to agretope to inner side (inner peripheral surface i.e. than outer sleeve (21) is leaned on the inside of radial direction)
Put movement), so thus column jecket (11) can abut.Therefore, when pushing column jecket (11) to outer sleeve (21) side during flexible adjustment,
Its end abuts with limiting part (34), thus the flexible retainer hair as the displacement for preventing diminution the direction more than degree
Wave function.
Patent document 1：Japanese Unexamined Patent Publication 2005-1517 publications.
But in above-mentioned patent document 1, the problem of having as shown below.First, limiting part is configured to, via even
Rod unit is protruded by operating the rotation of bar portion, limiting part from the opening of the cylindrical portion of outer sleeve.Its overhang is according to operation
The rotational angle of bar portion and change, it is difficult to keep always constant overhang, therefore have the unmanageable possibility of accessory size.
In addition, limiting part is via the perpendicular shape of rotation of the linkage component by operating bar portion, limiting part is from outer sleeve
The opening of cylindrical portion protrude, but by the mechanism, in flexible adjustment, interior axle is collided when limiting part fiercely, by
The power restriction part is pushed back to avoidance direction, there is inclined possibility.So, have flexible adjusting range produce it is crooked can
Energy.
The content of the invention
Therefore, the purpose of the present invention (technical problem to be solved) is, possesses the mechanism of the flexible adjusting range of limitation, and
And the independent action not influenceed by foregoing telescoping mechanism is carried out in the impact absorbing action in secondary collision, and make structure
It is extremely simple.
Here, inventor solves the above problems, and is repeated and studies with keen determination, as a result, according to the 1st skill of the present invention
Art scheme solves above mentioned problem, and the 1st technical scheme of the invention is a kind of steering gear, possesses column jecket, suspension, column jacket, solid
Determine bracket, fastener, stop component, flexible limiting part, foregoing suspension is fixed in the column jecket, has length along the longitudinal direction
Hole, foregoing column jacket clasp foregoing column jecket in a manner of it can move in the longitudinal direction, and foregoing mounting bracket presss from both sides the column jacket
Hold, aforementioned fasteners have bolt axle and operation bar portion, and are inserted through the elongated hole of foregoing suspension, and carry out foregoing column jacket and
The locking of foregoing mounting bracket and latch-release, foregoing stop component are arranged at foregoing bolt axle, the rotation with the bolt axle
Together swing, foregoing flexible limiting part together moves in the longitudinal direction with foregoing column jecket, is configured to, and foregoing stop component exists
It can abut with foregoing flexible limiting part under test section of the latch-release state, can not be supported in the locked state with foregoing flexible limiting part
Connect.
Above mentioned problem is solved according to the 2nd technical scheme of the present invention, the 2nd technical scheme of the invention is a kind of steering dress
Put, possess column jecket, column jacket, mounting bracket, suspension, fastener, stop component, flexible limiting part, foregoing column jacket, which has, to be clasped
Main part and slit portion, foregoing main part of clasping clasps the column jecket in a manner of it can move in the longitudinal direction, foregoing narrow
Seam portion is formed on this and clasps main part along the longitudinal direction, and foregoing mounting bracket has in width both sides clamps the column jacket
Fixation sidepiece, the foregoing width both sides that are suspended in have the plate-like portion that hangs down formed with elongated hole, and being consolidated along the longitudinal direction
Foregoing column jecket is connected to, aforementioned fasteners have bolt axle and operation bar portion, and are run through the elongated hole of foregoing suspension, and carry out
The locking of foregoing column jacket and foregoing mounting bracket and latch-release, aforementioned operation bar portion rotate the bolt axle, foregoing retainer
Part is arranged at foregoing bolt axle, is swung by the rotation of the bolt axle, and is configured in two foregoing plate-like portions that hang down
Between, foregoing flexible limiting part is arranged at the one party of foregoing suspension and foregoing column jecket, in can stretching for aforementioned fasteners
Under the test section of the latch-release state of adjustment, moved by the front side of foregoing column jecket, foregoing stop component, which is located at, to be stretched with foregoing
The position that limiting part abuts, in the locked state, moved by the front side of foregoing column jecket, foregoing stop component is located at can not
The position abutted with foregoing flexible limiting part.
Above mentioned problem is solved according to the 3rd technical scheme of the present invention, the 3rd technical scheme of the present invention is configured to,
In steering gear described in 1st or 2 technical schemes, form to foregoing stop component and foregoing bolt axle split, and foregoing stop
Part is configured to that relative to foregoing bolt axle assembling can be fitted together to.
Above mentioned problem is solved according to the 4th technical scheme of the present invention, the 4th technical scheme of the present invention is configured to,
In steering gear described in 1st or 2 technical schemes, foregoing flexible limiting part is formed on foregoing suspension.According to the present invention's
5th technical scheme solves above mentioned problem, the 5th technical scheme of the present invention is configured to, described in the 1st or 2 technical schemes
In steering gear, foregoing flexible limiting part is formed on foregoing column jecket.
Above mentioned problem is solved according to the 6th technical scheme of the present invention, the 6th technical scheme of the present invention is configured to,
In steering gear described in 1st or 2 technical schemes, the configuration impact suction between the aforementioned fasteners of foregoing suspension and foregoing column jacket
Addressee, aforementioned impact absorbing component possess impact absorbing plate portion, and aforementioned impact absorbs plate portion and forms the spiral shell inserted for foregoing bolt axle
Bolt inserting hole, and it is flexible in a thickness direction, under the lock-out state of aforementioned fasteners, aforementioned impact absorbs plate portion with bullet
Property biased form is connected to the foregoing plate-like portion that hangs down of foregoing suspension.
In the present invention and the 2nd technical scheme, it is configured to, in the test section of the latch-release state of the adjustment that can stretch of fastener
Under, foregoing stop component is located at the position that can be abutted with flexible limiting part, and in the locked state, foregoing stop component is located at
The position that can not be abutted with flexible limiting part.Thus, it is configured to, collides in the locked state and in driver in steering wheel
During secondary collision, when side is moved forwards, stop component and flexible limiting part can not abut for column jecket and suspension.Therefore, only
In the case that dynamic component and flexible limiting part do not collide, in addition, in the case where not producing impact load, can swimmingly it obtain
To stable load character.Still further, it is the structure of stop component and flexible limiting part with the effect above while is only set,
So be extremely simple structure, and number of components is also less, can be provided with low price.
Brief description of the drawings
Figure 1A is the side view of the present invention, and Figure 1B is Figure 1A Y1-Y1 to being in Figure 1A regarding amplification view, Fig. 1 C
(α) portion is by the enlarged drawing of a part of section view.
Fig. 2A is that the amplification for wanting portion of structure for representing the column jecket of the present invention, suspension, stop component, flexible limiting part is indulged
Cut open side view, Fig. 2 B be Fig. 2A Y2-Y2 to regarding amplification view, Fig. 2 C are Fig. 2A Y3-Y3 to regarding amplification view, Fig. 2 D
It is the amplification stereogram for the flexible limiting part for being arranged at suspension, Fig. 2 E are the other embodiments for representing flexible limiting part
Cross-sectional view of a main portion, Fig. 2 F are the cross-sectional view of a main portion for another embodiment for representing flexible limiting part, and Fig. 2 G are to represent flexible
The cross-sectional view of a main portion of another embodiment of limiting part.
Fig. 3 A are to want portion to put the stop component of lock-out state and flexible limiting part and its neighbouring a part of section view
Big side view, Fig. 3 B are to want portion to put from the stop component of lock-out state and flexible limiting part and its neighbouring rear side
Big sectional view, Fig. 3 C be by the stop component of test section of the latch-release state and flexible limiting part and its neighbouring a part of section view will
Portion's enlarged side view, Fig. 3 D are a part of section view of bolt axle and the enlarged drawing of excision that stop component is fitted to assembling, are schemed
3E is the Y5-Y5 in Fig. 3 D to regarding the middle enlarged drawing by bolt axle and the state of stop component separation.
Fig. 4 A are that flexible adjustment state want portion's longitudinal cross-sectional side view, Fig. 4 B be represent it is flexible adjust stroke want portion vertical profile side
View.
Fig. 5 A be represent to absorb the state of the energy of secondary collision want portion's longitudinal cross-sectional side view, Fig. 5 B are to represent secondary
The energy absorption stroke of collision wants portion's longitudinal cross-sectional side view.
Fig. 6 A are provided with the enlarged side view of the bolt axle of the stop component of other embodiment, and Fig. 6 B are Fig. 6 A
Y6-Y6 regarding sectional views.
Fig. 7 A are the embodiments for being provided with shock absorber between the fastening part of column jacket and suspension in the present invention
Cross-sectional view of a main portion, Fig. 7 B are that the stereogram of shock absorber, Fig. 7 C are to want portion's cross-sectional plan view.
Fig. 8 is the chart for representing the characteristic of the present invention.
Embodiment
Hereinafter, embodiments of the present invention are illustrated based on accompanying drawing.Here, in the present invention, as expression direction
Term, front side, rear side, fore-and-aft direction be present.The front side and rear side are assembled by the steering gear of the present invention
Using the fore-and-aft direction of automobile as benchmark in the state of automobile.Specifically, in each component parts of steering gear, if automobile
Front wheel side be front side, if handle（Steering wheel）Side is rear side.
It is of the invention main as shown in figure 1, mainly possessing column jacket 1, mounting bracket 2, fastener 3, column jecket 4, suspension 5, stop
Part 6, flexible limiting unit 7.Column jacket 1 is formed by clasping main part 11 and fastening part 12.Foregoing main part 11 of clasping is formed as interior
Portion is designed as the substantially cylindric of hollow shape, and specifically, it is internal to have be formed as hollow shape to clasp inner circumferential side
Portion 11a.In the foregoing diametric(al) lower side for clasping main part 11 formed with slit portion 11b（Reference picture 1B, Fig. 1 C）.
Slit portion 11b be along from the direction of the foregoing lateral rear side of the axially front for clasping main part 11 in width
On the part that separates.In aforementioned slots portion, the opposite marginal portion in 11b width both sides is close to each other, thus, foregoing
The diameter for clasping inner circumferential side surface part 11a diminishes, and storage assembling is fastened and locked in the foregoing column jecket 4 clasped in main part 11.
The inner circumferential side surface part 11a that clasps for clasping main part 11 is formed as, in the state in test section of the latch-release state and the adjustment that can stretch
When, it is deformed into more slightly larger than the external diameter of column jecket 4, the column jecket 4 can be slided easily.
In the bottom of foregoing column jacket 1, fastening part 12,12 is integrally formed with（Reference picture 1B）.Two fastening parts 12,12 are left
Right symmetrical shape, is formed on the position of aforementioned slots portion 11b width two side ends, specifically, is respectively
From foregoing slit portion 11b width both ends or the part of its thick plate-like nearby formed with the shape that substantially hangs down.In two fastenings
In portion 12,12, fastening through hole 12a, 12a are formed, is inserted for the bolt axle 31 of fastener 3 described later.Master is clasped foregoing
The front side of the fore-and-aft direction in body portion 11 is formed with wall portion 13.It is in two strips that wall portion 13, which is formed as two arms shape portion,（Two strand）.
Then, mounting bracket 2 22 is formed by being formed at the top of the fixation sidepiece 21,21 of width both sides and installation.
On two fixed sidepieces 21,21, formed with inclined elongate 21a, 21a in roughly vertical direction or longitudinal direction being elongated hole（Reference
Figure 1A, Figure 1B）.Fastener 3 possesses bolt axle 31, operation bar portion 32, tightening cam 33 and nut 34（Reference picture 1A, Figure 1B
Deng）.The built-in steering shaft inside it of column jecket 4, steering steering wheel is assembled in the steering the tip of the axis of the rear side protrusion from column jecket 4
（Handle）.
Then, suspension 5 hangs down plate-like portion 51,51 by two and base plate 52 is formed（Reference picture 1, Fig. 2）.The two of suspension 5
The individual plate-like portion 51,51 that hangs down forms the width both sides of suspension 5, extends along the fore-and-aft direction of foregoing column jecket 4, in column jecket
4 diametric(al) lower side, two foregoing plate-like portions 51,51 that hang down abreast configure according to predetermined distance.Two of suspension 5 are hung down
The upper end of lower plate-like portion 51,51 is fixed in the diametric(al) lower side of column jecket 4 with affixed means such as welding（Reference picture 2A, figure
2B）.Hung down at two the lower end of plate-like portion 51,51, bottom plate portion 52 is formed, by two hang down plate-like portions 51,51 and bottom
Plate portion 52, section orthogonal to the longitudinal direction are shaped generally as down gate-shaped or square U-shaped（Reference picture 1B, Fig. 2 etc.）.
Hung down each on plate-like portion 51, along the longitudinal direction formed with elongated hole 53.The elongated hole 53 is used front and rear at it
It is divided into two regions on direction.The region of the front side of elongated hole 53 is flexible elongated hole 53a, and rear side is impact absorbing elongated hole 53b
（Reference picture 1C）.Flexible elongated hole 53a is used in the region of flexible adjustment.In addition, impact absorbing elongated hole 53b is used in
Region during impact absorbing during secondary collision, it is the relative movement for carrying out elongated hole 53 and the elongated hole 53 being inserted to bolt axle 31
Region.
Stop component 6 be with flexible limiting part 7 described later together, play the front and back of the column jecket 4 during flexible adjustment
To movement be limited in the part of the effect in given area.Stop component 6 is assemblied in the bolt axle 31 of aforementioned fasteners 3.
Also, the rotation of the axle circumference by operating bolt axle 31 caused by the rotating operation of bar portion 32, stop component 6 is on the vertical plane
Swing（Reference picture 3A, 3C）.Stop component 6 is metal, by two holding pieces 61,61 and by two holding pieces 61,61
The connecting portion 62 being connected to each other each other in end is formed, and U-shaped or general flat C fonts are shaped generally as by these parts
（Reference picture 3E）.
Two holding pieces 61,61 are formed as symmetrical substantially two strip, in the opposite face of two holding pieces 61,61
The middle part of side is formed with clamping face 61a, 61a（Reference picture 3E）.Two clamping faces 61a, 61a are arranged between having suitably
It is opposite every ground, be formed as flat and parallel face.In addition, the length direction end of two holding pieces 61,61 (connecting portion 62
The opposite side of position) it has been formed about chimeric guide surface 61b, 61b.Two chimeric guide surface 61b, the 61b are formed as mutually in big
Cause V-shaped, the skewed formation in a manner of being become narrow gradually with the location interval close to aforesaid clip face 61a, 61a.
Aforementioned fasteners 3 bolt axle 31 axial middle part formed with clamped facial 31a, 31a（Reference picture
3D, Fig. 3 E）.Two clamped facial 31a, 31a are flat and are formed parallel to, and two clamping faces 61a, 61a are by foregoing stop
Two holding pieces 61,61 of part 6 are clamped, and two clamping faces 61a, 61a are abutted with biased form.
Two clamping faces 61a, 61a interval are formed as two intervals for being clamped facial 31a, 31a than bolt axle 31
It is slightly smaller, two holding pieces 61,61 are only thus held on clamped facial 31a, 31a ..., two clamping faces 61a, 61a can be with
Biased form clamps two and is clamped facial 31a, 31a.
As another embodiment of stop component 6, by the affixed means such as directly welding relative to foregoing bolt axle 31
Come affixed (reference picture 6).In this embodiment, in the side of bolt axle 31, without any processing, only possesses stop component 6.Should
Stop component 6 and bolt axle 31 are together configured between two plate-like portions 51,51 that hang down of suspension 5, so stop component 6 needs to set
The shapes and sizes of elongated hole 53 can be passed through by being set to.Therefore, in this embodiment, stop component 6 is rectangular tabular, its
The size of short side is set to that the size of the above-below direction than elongated hole 53 is small.
Stop component 6 relative to bolt axle 31 by affixed securely, in the case where being dallied or not in axle circumference, by this
The rotational action of bolt axle 31, stop component 6 are swung.The state that stop component 6 is assemblied in bolt axle 31 is configured to retainer
The length direction of part 6 is orthogonal relative to the axial direction of bolt axle 31.The length direction separated from bolt axle 31 of stop component 6
End, i.e. connecting portion 62 are swung by stop component 6, are highly sent out in the vertical direction relative to the position in the axle center of bolt axle 31
Changing（Reference picture 3A to Fig. 3 C）.
Then, the limiting part 7 that stretches is the part functioned as follows：In flexible adjustment, in foregoing column jecket 4 in order to stretch
The moving range that contracting is adjusted and moved in the longitudinal direction, especially set the effect of the terminal location of rear side.Flexible limiting unit
Part 7 from the position of the top of suspension 5 to the above-below direction of suspension 5 among direction be protrudedly formed（Reference picture 2A, 2C, 2D
Deng）.
The overhang of flexible limiting part 7 is set as, when suspension 5 and column jecket 4 together move in the longitudinal direction, not with
The bolt axle 31 of the fastener 3 of relative movement abut the interval of Huo Gan Wataru degree and in latch-release not with foregoing stop
The degree that part 6 abuts（Reference picture 3A to Fig. 3 C）.
Flexible limiting part 7 is formed on the upper-end part of driving of the one party of two plate-like portions 51,51 that hang down of suspension 5（Ginseng
According to Fig. 2A, Fig. 2 C, Fig. 2 D）.Specifically, hang down plate-like portion 51 upper end a part towards suspension 5 width on the inside of shape
Into bent sheet 71, contact piece 72 is formed downwards from one side of the bent sheet 71（Reference picture 2A, Fig. 2 C, Fig. 2 D）.Contact piece 72
Be formed as skewed or rectangular-shaped relative to the fore-and-aft direction of suspension 5.
As the other embodiment of flexible limiting part 7, the diametric(al) lower end of column jecket 4 is arranged at.In the implementation
In mode, by the flexible limiting part 7 for the other part being arranged in addition to column jecket 4 by welding etc. come affixed（Reference
Fig. 2 E）.And then in other embodiment, the diametric(al) lower end of column jecket 4, which is formed, cuts position, by the way that this is cut into portion
Position bend downwards and formed with flexible limiting part 7（Reference picture 2F）.In addition, there is also in suspension 5 except base plate 52
On by the flexible limiting part 7 for the part for being set to split by the embodiment that is secured such as welding（Reference picture 2G）.
Then, the flexible adjustment of steering gear to the present invention and the energy absorption action of secondary collision illustrate.It is first
First, flexible adjustment is illustrated.By the rotating operation of the operation bar portion 32 of fastener 3, in test section of the latch-release state（Reference picture
3C, Fig. 4 A）.Under the test section of the latch-release state, the length direction for being assemblied in the stop component 6 of bolt axle 31 is in relative to suspension
The 5 inclined state of fore-and-aft direction（Reference picture 3C, Fig. 4 A）.
Thus, it is configured to, when column jecket 4 and suspension 5 move in the longitudinal direction, stop component 6 and flexible limiting part 7
It can abut（Reference picture 4A, Fig. 4 B）.Thus, the terminal location of the rear side of flexible adjusting range is set（Reference picture 4B）.This
Outside, the terminal location of the front side for adjusting range of stretching is the front side end of elongated hole 53.That is, the front side end of elongated hole 53 and
It is substantially flexible adjusting range between flexible limiting part 7（Reference picture 4B）.
Then, state during secondary collision is illustrated.First, if in flexible adjustment direction initialization disk position, make tight
The operation bar portion 32 of firmware 3 rotates and is in lock-out state.Now it is assemblied in the length direction quilt of the stop component 6 of bolt axle 31
It is set to parallel relative to the fore-and-aft direction of suspension 5（Reference picture 3A, Fig. 5 A）.That is, it is in that can absorb energy in secondary collision
State.
Specifically, the length direction of stop component 6 is abreast set by the length direction of the elongated hole 53 relative to suspension 5.
Thus, it is configured to, when column jecket 4 and suspension 5 move in the longitudinal direction, it is appropriate that stop component 6 and flexible limiting part 7 separate
Distance and separate, both can not abut（Reference picture 5B）.
In this case, when secondary collision occurs, column jecket 4 and suspension 5 side forwards it is mobile when stop component 6 and stretch
In the case that contracting limiting part 7 does not abut, energy can be absorbed with constant load with telescopic location independently.It is secondary
During collision energy absorption is carried out by the caused frictional force between inner circumferential face 11a and column jecket 4 of clasping in column jacket 1.In addition,
Possesses elastomeric element 9 between foregoing column jacket 1 and foregoing mounting bracket 2（Reference picture 1, Fig. 7 A）.The elastomeric element 9 and suspension 5 or
The grade of shock absorber 8 described later abuts, and has the function that for they to be supported to stable state.
In the present invention, the embodiment (reference picture 7) for possessing shock absorber 8 be present.Shock absorber 8 is metal system
, substantially it is made up of (reference picture 7B) two impact absorbing plate portions 81,81.Each impact absorbing plate portion 81 is by elastic plate portion
81a and claw 81b is formed.Elastic plate portion 81a is formed as section general curved shape or arcuation, before and after the elastic plate portion 81a
Direction both ends are formed with claw 81b, 81b.
Bolt insertion hole 81c is formed on elastic plate portion 81a, is penetrated for the bolt axle 31 of fastener 3（Reference picture 7A, figure
7B）.Shock absorber 8 is set in a manner of two impact absorbing plate portions 81,81 are symmetrical, is linked plate portion 83 and is formed on two
Individual aforementioned impact absorbs the lower end of plate portion 81,81.Impact absorbing plate portion 81,81 mutual intervals are formed as, and formed with link
The lower end of plate portion 83 broadens compared to upper end.
That is, impact absorbing plate portion 81,81 is not vertical relative to plate portion 83 is linked, and is formed as upper end to expansion on the outside of width
Exhibition, orthogonal section is substantially inverted trapezoidal on its fore-and-aft direction.Thus, in the assembling operation of the steering gear of the present invention,
Shock absorber 8 makes the narrower intervals of the upper end of two impact absorbing plate portions 81,81, is inserted into two fastening parts of column jacket 1
12nd, between 12 and two plate-like portions 51,51 that hang down of suspension 5（Reference picture 7A, Fig. 7 B）.
Claw 81b, 81b of each impact absorbing plate portion 81 and two of suspension 5 hang down plate-like portion 51,51 relatively, are locking
Determine in releasing state, two impact absorbing plate portions 81,81 of shock absorber 8 are not from the two of two fastening parts 12,12 and suspension 5
The individual plate-like portion 51,51 that hangs down applies pushing force.
That is, can tilt telescopic adjustment in the state of, two impact absorbing plate portions 81,81 are in no load condition.By
This, the space expansion of the upper end of impact absorbing plate portion 81,81, claw 81b, 81b hang down plate-like portion 51,51 from two of suspension 5
Separate without abutting.The space expansion of the upper end of impact absorbing plate portion 81,81, thus shock absorber 8 not with suspension 5
Two hang down plate-like portions 51,51 abutting, so column jecket 4 and suspension 5 can swimmingly carry out tilt telescopic movement.
Then, in the locked state, two impact absorbing plate portions 81,81 of shock absorber 8 are from two fastening parts 12,12
Apply pushing force with two of suspension 5 plate-like portions 51,51 that hang down.That is, two impact absorbing plate portions 81,81 are in respectively in thickness side
Apply the state of load caused by external force upwards.Now, the plate-like portion 51,51 that hangs down of the medial surface of fastening part 12,12 and suspension 5
It is close, thus, pushing force is applied to each impact absorbing plate portion 81,81, closed with the interval of the upper end of elastic plate portion 81a, 81a
Mode occur elastic deformation, two claws 81b, 81b abut to the plate-like portion 51,51 that hangs down of suspension 5 with pushing force.
Also, in lock-out state, the frictional force clasped between inner circumferential face 11a and column jecket 4 of column jacket 1 and impact are inhaled
Energy absorption load when the summation of frictional force between addressee 8 and suspension 5 is secondary collision.So, in column jecket 4 and column jacket 1
Lock-out state when frictional force on add the frictional force as caused by shock absorber 8, thus no matter flexible adjusting range is appointed
What position, energy absorption load during secondary collision can be made from initially just uprising.Also, when secondary collision occurs, punching
Claw 81b, 81b plate-like portion 51,51 that hung down to two of suspension 5 for hitting two impact absorbing plate portions 81,81 of absorbing component 8 have
Abut to pushing force, its frictional force makes on fore-and-aft direction (axial direction) with the rushing relative to the movement of motionless column jacket 1 of suspension 5
Hit and absorb load maintenance into constant.
Shock absorber 8 is in secondary collision, when being moved in elongated hole 53 of the bolt axle 31 in suspension 5, to remain foregoing
The state relative movement of frictional force.Respective claw 81b, 81b and suspension 5 of two impact absorbing plate portions 81,81 plate that hangs down
The side of shape portion 51 abuts.Column jacket 1 is motionless relative to car body, and suspension 5 is with column jecket 4 together in flexible adjustment and secondary collision in car body
Front and back move up.Shock absorber 8 is together motionless by fastener 3 with column jacket 1.Thus, suspension 5 and shock absorber
8 relation to relatively move.
In the locked state, claw 81b, 81b of two impact absorbing plate portions 81,81 of shock absorber 8 are connected to outstanding
The plate-like portion 51 that hangs down of frame 5, claw 81b are contacted strongly relative to biting under state for the plate-like portion 51 that hangs down, relative to vertical
Lower plate-like portion 51 applies concentrfated load.Specifically, plate-like portion 51 is hung down by secondary collision, the abutting portion quilt with claw 81b
Prune, deformed in a manner of depression.
Thus, the resistance of impact absorbing during secondary collision further becomes big.As a result, it will be formed in the elongated hole of suspension 5
53 length shortens, and then suspension 5 and column jecket 4 is also shortened, as a result, can make steering gear integral miniaturization.Furthermore it is possible to
By changing claw 81b thickness of slab, shape, angle, suitably change load of the claw 81b relative to the plate-like portion 51 that hangs down.
By being arranged to structure as described above, the impact absorbing plate portion 81 as independent part is with having web
Similarly, claw 81b is connected to the plate-like portion 51 that hangs down of suspension 5 to the shock absorber 8 in portion 83 under tightening state.Also,
During secondary collision, the plate-like portion 51 that hangs down contacts strongly in the case where claw 81b bites state, moves forwards, thus, it is possible to produce
Higher energy absorption load.
Thus, steering gear of the invention can also pass through suspension 5 on the basis of the frrction load of column jacket 1 and column jecket 4
Carry out apparatus with shock absorbing with the frrction load of impact absorbing member 8.Fig. 8 is the chart for representing the characteristic of the present invention, specifically
Represent the chart of energy absorption load and energy absorption stroke.It is outer than the parts of double dot dash line L1 on the lower according to the chart
The amount of energy of the frrction load of post 1 and column jecket 4, it is suspension 5 and shock absorbing portion than the parts of double dot dash line L1 by the top
The amount of energy of the frrction load of part 8.
If it is contemplated that only absorbing the structure of impact by the frrction load of column jacket 1 and column jecket 4, then make to clasp main part 11
The confining force of column jecket 4 become big, make the uptake of impact energy increase.But the in this case, operation load of operation bar portion 32
Increase, so the adjustment of energy absorption load is difficult, it is difficult to corresponding with needing the vehicle of high-energy absorption load.But at this
In invention, by the frrction load for applying suspension 5 and impact absorbing member 8, it can be ensured that the operability of operation bar portion 32, and
Also can be corresponding with needing the vehicle of high-energy absorption load.
And then in the 2nd embodiment, particularly column jacket is configured to, have column jecket that can move in the longitudinal direction
What dynamic mode was clasped clasp main part and clasp the slit portion that is formed along the longitudinal direction on main part at this.Therefore, so
Column jacket clasp in main part and slit portion, easily column jecket, suspension, stop component and flexible limiting part etc. are stored and matched somebody with somebody
Appropriate position is placed in, can be configured to easily arrange device overall compact.Also, pass through such structure, Neng Gougeng
Conscientiously flexible adjustment and the respective different action of energy absorption during secondary collision are carried out exactly.
In the 3rd embodiment, form to foregoing stop component and foregoing bolt axle split, and foregoing stop component is formed
For assembling can be fitted together to relative to foregoing bolt axle, thus when fastener is assembled in into suspension, bolt axle is set to run through suspension
Elongated hole, so stop component can be assemblied in into bolt axle, need not be welded in the engagement of bolt axle and stop component, energy
It is enough easily to carry out assembling operation, operating efficiency can be improved.
In the 4th embodiment, foregoing flexible limiting part is created as the structure of foregoing suspension, thus, it is possible to by elongated hole
Added simultaneously to suspension with flexible limiting part, relative to the engagement of suspension and column jecket also without the size management of height, energy
Enough improve operating efficiency.In the 5th embodiment, foregoing flexible limiting part can be by being configured to be formed on foregoing post
Manage and increase the free degree of manufacture.
In the 6th embodiment, between foregoing suspension and the foregoing fastening part of foregoing column jacket, shock absorber is configured,
Aforementioned impact absorbing component possesses impact absorbing plate portion, and aforementioned impact absorbs plate portion and forms the bolt insert inserted for foregoing bolt axle
Hole, and it is flexible in a thickness direction, under the lock-out state of aforementioned fasteners, aforementioned impact absorbs plate portion and is configured to bullet
Property biased form is connected to the foregoing plate-like portion that hangs down of foregoing suspension, thus plus the slip load between column jacket and column jecket, enters
The energy absorption of the frrction load of row shock absorber.Thereby, it is possible to save space and carry out efficient energy absorption.
Description of reference numerals
1 ... column jacket, 11 ... clasp main part, 11b ... slit portions, 12 ... fastening parts, 2 ... mounting brackets, 21 ... fixed sidepieces,
3 ... fasteners, 31 ... bolt axles, 32 ... operation bar portions, 4 ... column jeckets, 5 ... suspensions, 51 ... hang down plate-like portion, 6 ... stop components,
7 ... flexible limiting parts, 8 ... shock absorber.
Claims (6)
- A kind of 1. steering gear, it is characterised in thatPossess column jecket, suspension, column jacket, mounting bracket, fastener, stop component, flexible limiting part,Foregoing suspension is fixed in the column jecket, along the longitudinal direction with elongated hole,Foregoing column jacket clasps foregoing column jecket in a manner of it can move in the longitudinal direction,Foregoing mounting bracket clamps the column jacket,Aforementioned fasteners have bolt axle and operation bar portion, and are inserted through the elongated hole of foregoing suspension, and carry out foregoing column jacket Locking and latch-release with foregoing mounting bracket,Foregoing stop component is arranged at foregoing bolt axle, and the rotation with the bolt axle is together swung,Foregoing flexible limiting part together moves in the longitudinal direction with foregoing column jecket,It is configured to, foregoing stop component can abut under test section of the latch-release state with foregoing flexible limiting part, in lock-out state Under can not be abutted with foregoing flexible limiting part.
- A kind of 2. steering gear, it is characterised in thatPossess column jecket, column jacket, mounting bracket, suspension, fastener, stop component, flexible limiting part,Foregoing column jacket, which has, clasps main part and slit portion, foregoing to clasp main part by the column jecket move in the longitudinal direction Dynamic mode is clasped, and aforementioned slots portion is formed on this and clasps main part along the longitudinal direction,Foregoing mounting bracket has the fixation sidepiece for clamping the column jacket in width both sides,The foregoing width both sides that are suspended in have the plate-like portion that hangs down formed with elongated hole, and being fixed in foregoing along the longitudinal direction Column jecket,Aforementioned fasteners have bolt axle and operation bar portion, and run through the elongated hole of foregoing suspension, and carry out foregoing column jacket and The locking of foregoing mounting bracket and latch-release, aforementioned operation bar portion rotate the bolt axle,Foregoing stop component is arranged at foregoing bolt axle, is swung by the rotation of the bolt axle, and is configured in two Between the foregoing plate-like portion that hangs down,Foregoing flexible limiting part is arranged at the one party of foregoing suspension and foregoing column jecket,Under the test section of the latch-release state of the adjustment that can stretch of aforementioned fasteners, moved by the front side of foregoing column jecket, it is foregoing Stop component is located at the position that can be abutted with foregoing flexible limiting part, in the locked state, passes through the front of foregoing column jecket Side is moved, and foregoing stop component is located at the position that can not be abutted with foregoing flexible limiting part.
- 3. steering gear as claimed in claim 1 or 2, it is characterised in thatForm to foregoing stop component and foregoing bolt axle split, and foregoing stop component is configured to relative to foregoing bolt axle energy Enough chimeric assemblings.
- 4. steering gear as claimed in claim 1 or 2, it is characterised in thatIt is configured to, foregoing flexible limiting part is formed on foregoing suspension.
- 5. steering gear as claimed in claim 1 or 2, it is characterised in thatIt is configured to, foregoing flexible limiting part is formed on foregoing column jecket.
- 6. steering gear as claimed in claim 1 or 2, it is characterised in thatIt is configured to, shock absorber, aforementioned impact absorbing component is configured between foregoing suspension and the foregoing fastening part of foregoing column jacket Possessing impact absorbing plate portion, aforementioned impact absorbs plate portion and forms the bolt insertion hole inserted for foregoing bolt axle, and in thickness side It is flexible upwards, under the lock-out state of aforementioned fasteners, before aforementioned impact absorption plate portion is connected to Elastic pusher state State the foregoing plate-like portion that hangs down of suspension.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016122753A JP6742167B2 (en) | 2016-06-21 | 2016-06-21 | Steering device |
| JP2016-122753 | 2016-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107521550A true CN107521550A (en) | 2017-12-29 |
| CN107521550B CN107521550B (en) | 2021-05-25 |
Family
ID=60661196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464066.XA Active CN107521550B (en) | 2016-06-21 | 2017-06-19 | Steering device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10093343B2 (en) |
| JP (1) | JP6742167B2 (en) |
| CN (1) | CN107521550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429073A (en) * | 2020-11-27 | 2021-03-02 | 东风柳州汽车有限公司 | Steering column assembly |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10654512B2 (en) * | 2017-03-06 | 2020-05-19 | Yamada Manufacturing Co., Ltd. | Steering device |
| JP6921720B2 (en) * | 2017-11-17 | 2021-08-18 | 株式会社山田製作所 | Steering device |
| KR102113014B1 (en) * | 2018-01-23 | 2020-05-21 | 남양넥스모 주식회사 | steering system |
| JP7310166B2 (en) * | 2019-02-18 | 2023-07-19 | 株式会社ジェイテクト | steering column device |
| JP7375601B2 (en) * | 2020-02-14 | 2023-11-08 | 株式会社ジェイテクト | steering device |
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| JP2005001517A (en) | 2003-06-12 | 2005-01-06 | Nsk Ltd | Steering device |
| JP4205687B2 (en) * | 2005-03-31 | 2009-01-07 | 株式会社山田製作所 | Steering device |
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| US8671795B2 (en) * | 2008-03-11 | 2014-03-18 | Steering Solutions Ip Holding Corporation | Locking mechanism for an adjustable steering column having impact teeth |
| JP5413266B2 (en) * | 2010-03-19 | 2014-02-12 | 株式会社ジェイテクト | Steering device |
| JP5723226B2 (en) * | 2011-06-07 | 2015-05-27 | 株式会社山田製作所 | Steering device |
| JP5886805B2 (en) * | 2013-09-03 | 2016-03-16 | 株式会社山田製作所 | Steering device |
| JP2015157502A (en) * | 2014-02-21 | 2015-09-03 | 株式会社ジェイテクト | steering device |
| US9789897B2 (en) * | 2015-08-11 | 2017-10-17 | Yamada Manufacturing Co., Ltd. | Steering apparatus |
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- 2016-06-21 JP JP2016122753A patent/JP6742167B2/en active Active
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| US5803496A (en) * | 1997-03-31 | 1998-09-08 | General Motors Corporation | Energy-absorbing steering column for motor vehicle |
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| DE102011056351A1 (en) * | 2011-12-13 | 2013-06-13 | Zf Lenksysteme Gmbh | Steering column for steering system of vehicle, has guide tube, which is adjusted along its longitudinal axis, where guide tube has block, and control lever is provided for setting situation for adjusting guide tube |
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| CN112429073B (en) * | 2020-11-27 | 2022-06-07 | 东风柳州汽车有限公司 | Steering column assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| US10093343B2 (en) | 2018-10-09 |
| JP6742167B2 (en) | 2020-08-19 |
| US20170361864A1 (en) | 2017-12-21 |
| JP2017226280A (en) | 2017-12-28 |
| CN107521550B (en) | 2021-05-25 |
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